/*
 * Copyright (c) 2019 - now, Eggroll Authors. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.webank.eggroll.core.grpc.client;

import com.google.protobuf.Message;
import io.grpc.stub.AbstractStub;
import io.grpc.stub.StreamObserver;

/**
 * SAM Interface for callee streaming
 * <p>
 * S: Stub type
 * R: calleR type
 * E: calleE type
 */
public interface GrpcCalleeStreamingStubMethodInvoker<S extends AbstractStub, R extends Message, E extends Message> {
  public void invoke(S stub, R request, StreamObserver<E> responseObserver);
}
